<?php

    /**
     * PHPExcel_Worksheet_SheetView
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Worksheet
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Worksheet_SheetView {
        /* Sheet View types */
        const SHEETVIEW_NORMAL             = 'normal';
        const SHEETVIEW_PAGE_LAYOUT        = 'pageLayout';
        const SHEETVIEW_PAGE_BREAK_PREVIEW = 'pageBreakPreview';
        private static $sheetViewTypes = [
            self::SHEETVIEW_NORMAL,
            self::SHEETVIEW_PAGE_LAYOUT,
            self::SHEETVIEW_PAGE_BREAK_PREVIEW,
        ];
        /**
         * ZoomScale
         * Valid values range from 10 to 400.
         * @var int
         */
        private $zoomScale = 100;
        /**
         * ZoomScaleNormal
         * Valid values range from 10 to 400.
         * @var int
         */
        private $zoomScaleNormal = 100;
        /**
         * View
         * Valid values range from 10 to 400.
         * @var string
         */
        private $sheetviewType = self::SHEETVIEW_NORMAL;

        /**
         * Create a new PHPExcel_Worksheet_SheetView
         */
        public function __construct() {
        }

        /**
         * Get ZoomScale
         * @return int
         */
        public function getZoomScale() {
            return $this->zoomScale;
        }

        /**
         * Set ZoomScale
         * Valid values range from 10 to 400.
         * @param     int $pValue
         * @throws     PHPExcel_Exception
         * @return PHPExcel_Worksheet_SheetView
         */
        public function setZoomScale($pValue = 100) {
            // Microsoft Office Excel 2007 only allows setting a scale between 10 and 400 via the user interface,
            // but it is apparently still able to handle any scale >= 1
            if (($pValue >= 1) || is_null($pValue)) {
                $this->zoomScale = $pValue;
            } else {
                throw new PHPExcel_Exception("Scale must be greater than or equal to 1.");
            }
            return $this;
        }

        /**
         * Get ZoomScaleNormal
         * @return int
         */
        public function getZoomScaleNormal() {
            return $this->zoomScaleNormal;
        }

        /**
         * Set ZoomScale
         * Valid values range from 10 to 400.
         * @param     int $pValue
         * @throws     PHPExcel_Exception
         * @return PHPExcel_Worksheet_SheetView
         */
        public function setZoomScaleNormal($pValue = 100) {
            if (($pValue >= 1) || is_null($pValue)) {
                $this->zoomScaleNormal = $pValue;
            } else {
                throw new PHPExcel_Exception("Scale must be greater than or equal to 1.");
            }
            return $this;
        }

        /**
         * Get View
         * @return string
         */
        public function getView() {
            return $this->sheetviewType;
        }

        /**
         * Set View
         * Valid values are
         *        'normal'            self::SHEETVIEW_NORMAL
         *        'pageLayout'        self::SHEETVIEW_PAGE_LAYOUT
         *        'pageBreakPreview'  self::SHEETVIEW_PAGE_BREAK_PREVIEW
         * @param     string $pValue
         * @throws     PHPExcel_Exception
         * @return PHPExcel_Worksheet_SheetView
         */
        public function setView($pValue = null) {
            // MS Excel 2007 allows setting the view to 'normal', 'pageLayout' or 'pageBreakPreview' via the user interface
            if ($pValue === null) {
                $pValue = self::SHEETVIEW_NORMAL;
            }
            if (in_array($pValue, self::$sheetViewTypes)) {
                $this->sheetviewType = $pValue;
            } else {
                throw new PHPExcel_Exception("Invalid sheetview layout type.");
            }
            return $this;
        }

        /**
         * Implement PHP __clone to create a deep clone, not just a shallow copy.
         */
        public function __clone() {
            $vars = get_object_vars($this);
            foreach ($vars as $key => $value) {
                if (is_object($value)) {
                    $this->$key = clone $value;
                } else {
                    $this->$key = $value;
                }
            }
        }
    }
